PROFILES / U.S. SENATE / MASSACHUSETTS

John Deaton

Republican · Senate challenger

CHALLENGER ON THE 2026 BALLOT SAFE D — AGAINST THE CANDIDATE KALSHI · 3.4¢ · CHECKED Aug 27

THE 2026 RACE · MASSACHUSETTS U.S. SENATEFull race page →

OPPONENTRep. Seth Moulton (D)Challenger

FTP RACE SIGNALSafe DAI-enabled synthesis of attributed evidence · not a publisher rating

KALSHI · Aug 27D 98.4¢ · R 3.4¢

LATEST POLLD+13<a class="e-poll-source" href="https://scholars.unh.edu/survey_center_polls/989/" target="_blank" rel="noopener noreferrer">UNH ↗</a> (C) 08-27 · n=881

STANDING · THIS SEAT

1:3fundraising ratio v Markey · FEC period 06-30

CAMPAIGN FINANCE · FECPULLED 08-04 · PERIOD 06-30

$1.50Mraised

$726.6Kcash on hand

committee not on file

· Moulton: $5.65M / $2.61M CoH

BALLOT & DATES

Primary09-01

GeneralNov 3, 2026

D unresolved · R settled · other no primary